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科研机构
北京大学 [118]
内容类型
期刊论文 [86]
其他 [27]
会议论文 [5]
发表日期
2017 [8]
2016 [12]
2015 [12]
2014 [12]
2013 [12]
2012 [10]
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专题:北京大学
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Qualitative Analysis of Residents' Perceptions of Tourism Impacts on Historic Districts: A Case Study of Nanluoguxiang in Beijing, China
期刊论文
JOURNAL OF ASIAN ARCHITECTURE AND BUILDING ENGINEERING, 2017
Dai, Linlin
;
Wang, Siyu
;
Xu, Jun
;
Wan, Li
;
Wu, Bihu
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2017/12/03
historic district
residents&apos
word-frequency analysis
text encoding
Nanluoguxiang
ATTITUDES
perceptions
TLS-bridged co-prediction of tree-level multifarious stem structure variables from worldview-2 panchromatic imagery: a case study of the boreal forest
期刊论文
INTERNATIONAL JOURNAL OF DIGITAL EARTH, 2017
Lin, Yi
;
Wei, Tian
;
Yang, Bin
;
Knyazikhin, Yuri
;
Zhang, Yuhu
;
Sato, Hisashi
;
Fang, Xing
;
Liang, Xinlian
;
Yan, Lei
;
Sun, Shanlin
收藏
  |  
浏览/下载:9/0
  |  
提交时间:2017/12/03
Tree stem structure variable (SSV)
WorldView-2 panchromatic image (WPI)
static terrestrial laser scanning (TLS)
allometric relationship
co-prediction model
TERRESTRIAL LASER SCANNER
SPECIES CLASSIFICATION
FEATURE PARAMETERS
ALLOMETRIC RELATIONSHIPS
BIOMASS ESTIMATION
INDIVIDUAL TREES
PINUS-SYLVESTRIS
SATELLITE IMAGES
STANDING TREES
CROWN HEIGHT
Enhanced visible-light-driven photocatalytic bacteria disinfection by g-C3N4-AgBr
期刊论文
COLLOIDS AND SURFACES B-BIOINTERFACES, 2017
Deng, Jun
;
Liang, Jialiang
;
Li, Mian
;
Tong, Meiping
收藏
  |  
浏览/下载:5/0
  |  
提交时间:2017/12/03
g-C3N4-AgBr
Bacteria disinfection
Photocatalysis
Active species
Visible light irradiation
E.-COLI K-12
PLASMONIC PHOTOCATALYST
ESCHERICHIA-COLI
HIGHLY EFFICIENT
COMPOSITE PHOTOCATALYST
WASTE-WATER
BY-PRODUCTS
INACTIVATION
IRRADIATION
MECHANISM
Liquid impinger BioSampler's performance for size-resolved viable bioaerosol particles
期刊论文
JOURNAL OF AEROSOL SCIENCE, 2017
Zheng, Yunhao
;
Yao, Maosheng
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2017/12/03
BioSampler
UV-APS
Collection efficiency
Size-resolved bioaerosol particles
AIRBORNE MICROORGANISMS
ELECTROSTATIC SAMPLER
PARTICULATE MATTER
AEROSOL COLLECTION
AIR
BACTERIAL
RELEASE
VIRUS
Hierarchical Micropore/Nanorod Apatite Hybrids In-Situ Grown from 3-D Printed Macroporous Ti6Al4V Implants with Improved Bioactivity and Osseointegration
期刊论文
JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY, 2017
Xiu, Peng
;
Jia, Zhaojun
;
Lv, Jia
;
Yin, Chuan
;
Cai, Hong
;
Song, Chunli
;
Leng, Huijie
;
Zheng, Yufeng
;
Liu, Zhongjun
;
Cheng, Yan
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2017/12/03
3-D printing
Porous Ti6Al4V
Micro-arc oxidation
Hydrothermal treatment
Osseointegration
MICRO-ARC OXIDATION
HYDROTHERMAL TREATMENT
SURFACE MODIFICATION
VERTEBRAL BODY
TITANIUM
VIVO
ALLOY
HYDROXYAPATITE
PERFORMANCE
FABRICATION
In-plane Schottky-barrier field-effect transistors based on 1T/2H heterojunctions of transition-metal dichalcogenides
期刊论文
PHYSICAL REVIEW B, 2017
Fan, Zhi-Qiang
;
Jiang, Xiang-Wei
;
Luo, Jun-Wei
;
Jiao, Li-Ying
;
Huang, Ru
;
Li, Shu-Shen
;
Wang, Lin-Wang
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2017/12/03
CHEMICAL-VAPOR-DEPOSITION
PHASE-TRANSITION
MOS2 TRANSISTORS
PERFORMANCE
ELECTRONICS
JUNCTIONS
CONTACTS
MOSFETS
WSE2
WS2
High-Resolution Real-Time Underwater 3-D Acoustical Imaging Through Designing Ultralarge Ultrasparse Ultra-Wideband 2-D Arrays
期刊论文
IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT, 2017
Chi, Cheng
;
Li, Zhaohui
收藏
  |  
浏览/下载:6/0
  |  
提交时间:2017/12/03
3-D acoustical imaging
array design
high resolution
ultralarge ultrasparse ultra-wideband (UUU) 2-D arrays
MODULATED EXCITATION SIGNALS
LARGE PLANAR ARRAYS
MEDICAL ULTRASOUND
NEAR-FIELD
SONAR
SYSTEM
VISION
LOBE
Single-drive high-speed lumped depletion-type modulators toward 10 fJ/bit energy consumption
期刊论文
PHOTONICS RESEARCH, 2017
Li, Xinbai
;
Yang, Fenghe
;
Zhong, Fang
;
Deng, Qingzhong
;
Michel, Jurgen
;
Zhou, Zhiping
收藏
  |  
浏览/下载:9/0
  |  
提交时间:2017/12/03
modulator
impedance
depletion
junction
viable
sustainable
understood
absolute
toward
waveguide
SILICON MICRORING MODULATOR
TRAVELING-WAVE ELECTRODE
OPTICAL MODULATOR
LOW-VOLTAGE
GB/S
RESONATOR
Direct interpretation of petroleum reservoirs using electromagnetic radiation anomalies
期刊论文
JOURNAL OF PETROLEUM SCIENCE AND ENGINEERING, 2016
Wang, Nan
;
Qin, Qiming
;
Chen, Li
;
Zhao, Shanshan
;
Zhang, Chengye
;
Hui, Jian
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2017/12/03
Reservoir interpretation
Electromagnetic radiation
Super-Low Frequency
Ensemble empirical mode decomposition
Frequency-Depth transformation
Natural source
MAGNETOTELLURIC DATA
WAVELET TRANSFORM
FIELD
ROCK
EXPLORATION
FRACTURE
BASIN
OIL
CHINA
Synthetic Spectral Analysis of a Kinetic Model for Slow-Magnetosonic Waves in Solar Corona
其他
2016-01-01
Ruan, Wenzhi
;
He, Jiansen
;
Zhang, Lei
;
Vocks, Christian
;
Marsch, Eckart
;
Tu, Chuanyi
;
Peter, Hardi
;
Wang, Linghua
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2017/12/03
MAGNETOACOUSTIC WAVES
PROPAGATING DISTURBANCES
PARTICLE INTERACTIONS
COULOMB COLLISIONS
POLAR PLUMES
LOOPS
OSCILLATIONS
UPFLOWS
HINODE/EIS
SIGNATURE
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